IndividualActive
Joseph Mernagh, M.S.
NPI 1992421069 · Mental Health Counselor · Fairfax, VA
Joseph Mernagh, M.S. is a Mental Health Counselor provider in Fairfax, VA (NPI 1992421069).
Provider details
- NPI number
- 1992421069
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0704015348 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2911 Deer Hollow Way Unit 424
Fairfax, VA 22031-6049
Phone: (330) 310-5290
Street-level locationGet directions
Mailing address
2911 Deer Hollow Way Unit 424
Fairfax, VA 22031-6049
Registry dates
- Enumerated
- 2022-10-19
- Last updated
- 2026-02-02
- Certified
- 2026-02-02
Frequently asked questions
- What is Joseph Mernagh's NPI number?
- Joseph Mernagh's National Provider Identifier (NPI) is 1992421069, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Mernagh's specialty?
- Joseph Mernagh is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Joseph Mernagh located?
- Joseph Mernagh's practice location on file with NPPES is 2911 Deer Hollow Way Unit 424, Fairfax, VA 22031-6049.
- What is Joseph Mernagh's phone number?
- The practice phone number listed in the NPPES registry for Joseph Mernagh is (330) 310-5290.
- Is Joseph Mernagh's NPI active?
- Yes — Joseph Mernagh's NPI (1992421069) is active in the NPPES registry as of the last update on 2026-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.